CHICAGO-LATROBE Jobber Length Drill Bit: Letter A, 135° Split Point, TiCN-Coated HSS
The CHICAGO-LATROBE Jobber Length Drill Bit (Letter A, MPN 43771) is a NAS-Spec high-speed steel tool for aerospace applications, featuring a TiCN-coated HSS construction with a 135° split point per NAS 907 Type B…
SKU 3G-OTH-190554
Need installation or engineering help?
Ask a question
Product Description
The CHICAGO-LATROBE Jobber Length Drill Bit (Letter A, MPN 43771) is a NAS-Spec high-speed steel tool for aerospace applications, featuring a TiCN-coated HSS construction with a 135° split point per NAS 907 Type B. Its 0.2340-inch diameter meets Letter A sizing. 3G Electric interprets demand and delivers this genuine industrial cutting tool across 14 departments, with specialist depth in combustion, pumps, and controls as an authorised distributor.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the CHICAGO-LATROBE Jobber Length Drill Bit 43771 used for?
This drill bit is designed for aerospace and high-precision industrial drilling applications. Its NAS 907 Type B compliance and 135° split point reduce walking and thrust, making it suitable for drilling hard metals and alloys where tight tolerances are required.
What are the specifications of the CHICAGO-LATROBE 43771 drill bit?
The CHICAGO-LATROBE 43771 is a jobber-length drill bit with a letter A size (0.2340 inch), 135° split point, and TiCN-coated high-speed steel. It meets NAS 907 Type B standards for aerospace use, offering wear resistance and extended tool life in demanding materials.
Where to buy CHICAGO-LATROBE 43771 drill bits worldwide?
3G Electric supplies CHICAGO-LATROBE 43771 drill bits worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this aerospace-grade tool.
How to select the right CHICAGO-LATROBE drill bit for aerospace applications?
For aerospace work, choose a drill bit that meets NAS 907 Type B specs, like the CHICAGO-LATROBE 43771. The TiCN coating and 135° split point improve chip evacuation and reduce heat. Match the letter size to your hole diameter and ensure the material is compatible with HSS.
Used in
Common applications for CHICAGO-LATROBECHICAGO-LATROBE Products
3G Electric supplies CHICAGO-LATROBE nas-spec high-speed steel jobber-length drill bits for aerospace. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















